diff options
Diffstat (limited to 'drivers/crypto/ccree/cc_driver.c')
| -rw-r--r-- | drivers/crypto/ccree/cc_driver.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_driver.c index 790fa9058a36..061e68a31c36 100644 --- a/drivers/crypto/ccree/cc_driver.c +++ b/drivers/crypto/ccree/cc_driver.c @@ -14,7 +14,6 @@ #include <linux/of.h> #include <linux/clk.h> #include <linux/of_address.h> -#include <linux/of_device.h> #include <linux/pm_runtime.h> #include "cc_driver.h" @@ -350,9 +349,9 @@ static int init_cc_resources(struct platform_device *plat_dev) /* Get device resources */ /* First CC registers space */ - req_mem_cc_regs = platform_get_resource(plat_dev, IORESOURCE_MEM, 0); /* Map registers space */ - new_drvdata->cc_base = devm_ioremap_resource(dev, req_mem_cc_regs); + new_drvdata->cc_base = devm_platform_get_and_ioremap_resource(plat_dev, + 0, &req_mem_cc_regs); if (IS_ERR(new_drvdata->cc_base)) return PTR_ERR(new_drvdata->cc_base); @@ -372,17 +371,10 @@ static int init_cc_resources(struct platform_device *plat_dev) dev->dma_mask = &dev->coherent_dma_mask; dma_mask = DMA_BIT_MASK(DMA_BIT_MASK_LEN); - while (dma_mask > 0x7fffffffUL) { - if (dma_supported(dev, dma_mask)) { - rc = dma_set_coherent_mask(dev, dma_mask); - if (!rc) - break; - } - dma_mask >>= 1; - } - + rc = dma_set_coherent_mask(dev, dma_mask); if (rc) { - dev_err(dev, "Failed in dma_set_mask, mask=%llx\n", dma_mask); + dev_err(dev, "Failed in dma_set_coherent_mask, mask=%llx\n", + dma_mask); return rc; } @@ -529,24 +521,26 @@ static int init_cc_resources(struct platform_device *plat_dev) goto post_req_mgr_err; } - /* Allocate crypto algs */ - rc = cc_cipher_alloc(new_drvdata); + /* hash must be allocated first due to use of send_request_init() + * and dependency of AEAD on it + */ + rc = cc_hash_alloc(new_drvdata); if (rc) { - dev_err(dev, "cc_cipher_alloc failed\n"); + dev_err(dev, "cc_hash_alloc failed\n"); goto post_buf_mgr_err; } - /* hash must be allocated before aead since hash exports APIs */ - rc = cc_hash_alloc(new_drvdata); + /* Allocate crypto algs */ + rc = cc_cipher_alloc(new_drvdata); if (rc) { - dev_err(dev, "cc_hash_alloc failed\n"); - goto post_cipher_err; + dev_err(dev, "cc_cipher_alloc failed\n"); + goto post_hash_err; } rc = cc_aead_alloc(new_drvdata); if (rc) { dev_err(dev, "cc_aead_alloc failed\n"); - goto post_hash_err; + goto post_cipher_err; } /* If we got here and FIPS mode is enabled @@ -558,10 +552,10 @@ static int init_cc_resources(struct platform_device *plat_dev) pm_runtime_put(dev); return 0; -post_hash_err: - cc_hash_free(new_drvdata); post_cipher_err: cc_cipher_free(new_drvdata); +post_hash_err: + cc_hash_free(new_drvdata); post_buf_mgr_err: cc_buffer_mgr_fini(new_drvdata); post_req_mgr_err: @@ -593,8 +587,8 @@ static void cleanup_cc_resources(struct platform_device *plat_dev) (struct cc_drvdata *)platform_get_drvdata(plat_dev); cc_aead_free(drvdata); - cc_hash_free(drvdata); cc_cipher_free(drvdata); + cc_hash_free(drvdata); cc_buffer_mgr_fini(drvdata); cc_req_mgr_fini(drvdata); cc_fips_fini(drvdata); @@ -629,7 +623,7 @@ static int ccree_probe(struct platform_device *plat_dev) return 0; } -static int ccree_remove(struct platform_device *plat_dev) +static void ccree_remove(struct platform_device *plat_dev) { struct device *dev = &plat_dev->dev; @@ -638,8 +632,6 @@ static int ccree_remove(struct platform_device *plat_dev) cleanup_cc_resources(plat_dev); dev_info(dev, "ARM ccree device terminated\n"); - - return 0; } static struct platform_driver ccree_driver = { @@ -656,9 +648,17 @@ static struct platform_driver ccree_driver = { static int __init ccree_init(void) { + int rc; + cc_debugfs_global_init(); - return platform_driver_register(&ccree_driver); + rc = platform_driver_register(&ccree_driver); + if (rc) { + cc_debugfs_global_fini(); + return rc; + } + + return 0; } module_init(ccree_init); |